diff options
Diffstat (limited to 'mm/shrinker.c')
| -rw-r--r-- | mm/shrinker.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/shrinker.c b/mm/shrinker.c index d1b34a79c7a7..ef22f20a97cb 100644 --- a/mm/shrinker.c +++ b/mm/shrinker.c @@ -293,7 +293,7 @@ void reparent_shrinker_deferred(struct mem_cgroup *memcg) parent = root_mem_cgroup; /* Prevent from concurrent shrinker_info expand */ - down_read(&shrinker_rwsem); + down_write(&shrinker_rwsem); for_each_node(nid) { child_info = shrinker_info_protected(memcg, nid); parent_info = shrinker_info_protected(parent, nid); @@ -306,7 +306,7 @@ void reparent_shrinker_deferred(struct mem_cgroup *memcg) } } } - up_read(&shrinker_rwsem); + up_write(&shrinker_rwsem); } #else static int shrinker_memcg_alloc(struct shrinker *shrinker) |